CN103825368A - Contactless energy transmission coil automatic direction searching device - Google Patents
Contactless energy transmission coil automatic direction searching device Download PDFInfo
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- CN103825368A CN103825368A CN201310658727.4A CN201310658727A CN103825368A CN 103825368 A CN103825368 A CN 103825368A CN 201310658727 A CN201310658727 A CN 201310658727A CN 103825368 A CN103825368 A CN 103825368A
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Abstract
The invention provides a contactless energy transmission coil automatic direction searching device. According to the invention, a rectification filter module carries out rectification filter on the inductive voltage of a receiving coil, so as to produce direct current voltage. An AD conversion module carries out AD conversion on the direct current voltage after rectification filter to produce a binary voltage signal. A microprocessor module processes and judges data input through AD conversion, determines a control signal corresponding to an optimal orientation matching the receiving coil and a transmitting coil as an output signal, sends the output signal to a drive module, and positions an optimal direction. The drive module carries out isolation amplification on the control signal of the microprocessor module, so as to drive a stepper motor to rotate. The stepper motor drives the receiving coil, and adjusts the relative positions of the receiving coil and the transmitting coil. According to the invention, automatic and intelligent transmitting and receiving coil optimal direction searching is realized, which promotes a practical, intelligent and automatic contactless energy transmission system.
Description
Technical field
The invention belongs to contactless biography energy field, be specifically related to coil automatic seeking in a kind of contactless energy transfer system to control device.
Background technology
Electric energy enters that human lives is with a long history, and electrical equipment miscellaneous has greatly enriched people's life, but until today, the transmission means of electric energy is still take cable transmission as main.Contactless biography can not need plain conductor, has avoided the direct electrical contact of power consumption equipment and power supply, has advantages of very greatly at aspects such as the costs of fail safe, reliability, useful life and maintenance, is the inexorable trend of future development.In contactless energy transfer system, relative position between receiving coil and transmitting coil plays vital effect to the laser propagation effect of system, accurately, the optimum Match orientation of intelligentized automatic adjustment receiving coil and transmitting coil obtains the most effective power delivery, is the inevitable requirement of contactless energy transfer system.At present, to contactless pass can research make important progress, but the implementation of Automatic-searching receiving coil and the relative optimum position of transmitting coil during to practical application does not have document and relates to.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, relate to a kind of contactless biography energy coil automatic seeking to device.
The technical scheme that technical solution problem of the present invention is taked is:
The present invention includes receiving coil, rectification filtering module, AD modular converter, microprocessor module, driver module and stepping motor.
Described rectification filtering module carries out rectifying and wave-filtering to the induced voltage of receiving coil, produces direct voltage.
The direct voltage of described AD modular converter after to rectifying and wave-filtering carries out AD conversion, produces binary voltage signal.
Described microprocessor module is processed and judges the data of AD conversion input, determines that the corresponding control signal of best orientation that receiving coil mates with transmitting coil, as output signal, sends to driver module, locates optimum orientation.
The control signal of microprocessor module is isolated amplification by described driver module, Driving Stepping Motor rotation.
Described stepping motor drives receiving coil, adjusts the relative position of receiving coil and transmitting coil.
Furtherly, described receiving coil and transmitting coil are realized the transmission of electric energy by resonance coupling principle.
Furtherly, described AD modular converter sampling TLC1549 chip.
Furtherly, described microprocessor module adopts Atmega16 single-chip microcomputer.
Furtherly, described driver module adopts ULN2003 chip.
The present invention can realize the intelligentized search that transmits and receives coil optimum orientation automatically, and this will promote practical, intelligent, the automation of contactless energy transfer system.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is circuit diagram of the present invention.
Fig. 3 is the control flow chart of microprocessor.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
The main functional modules that the present invention comprises consists of the following components:
Current rectifying and wave filtering circuit carries out rectifying and wave-filtering to the high frequency voltage of receiving coil, and is changed into direct voltage, carries out AD conversion to supply with AD circuit.
A/D convertor circuit adopts TLC1549 chip to realize, and function is that the receiving coil induced voltage after rectifying and wave-filtering is carried out to AD conversion, and flows to microcontroller and carry out analyzing and processing.
Micro controller module is the nucleus module of this invention.Adopt the maincenter control section of Atmega16 single-chip microcomputer as system, be responsible for the work of control system each several part, data to AD conversion input are processed and judge, determine that the corresponding control signal of best orientation that receiving coil mates with transmitting coil, as output signal, sends to driver module.
Driver module is the operating part of system, and its Driving Stepping Motor drives receiving coil to rotate, and along with the continuous renewal that microcontroller sends signal, is finally with moving winding to rotate to optimum orientation.
As shown in Figure 1, the stepping motor band moving winding rotation of driver module, the received high-frequency voltage signal of receiving coil is direct voltage through current rectifying and wave filtering circuit rectification simultaneously, this direct voltage is carried out AD conversion by A/D convertor circuit, be converted to corresponding digital signal, send microcontroller to.Microcontroller is through data acquisition, after analyzing and processing, the corresponding control signal of best orientation that selective reception coil mates with transmitting coil, as output, is controlled driver module and is driven stepping motor rotation, transmitting coil is positioned, realize the optimal orientation with receiving coil.
As shown in Figure 2, diode D1 and capacitor C 1 form rectification and filter circuit, and LM358 forms voltage follower, plays buffer action.LTC1549 is AD conversion chip.U2 is Atmega16 single-chip microcomputer, binary voltage signal after AD conversion is inputted by PB0, PB1, PB2 pin, the control signal of output outputs to ULN2003 via PA7, PA6, PA5, tetra-pins of PA4, ULN2003 realizes the amplification to control signal, provide enough power to stepping motor, stepping motor drives receiving coil rotation, realizes and seeking to function.
As shown in Figure 3, after program starts, determine the initial direction of rotation of stepping motor, stepping motor often turns and moves a step, and to voltage sample repeatedly, is set as 256 times herein, and asks for average voltage, to obtain more accurate and stable magnitude of voltage, and preserves this value.After motor revolves and turns around, stop operating, program is searched for maximum in the magnitude of voltage of stored each stepping point, determines peaked physical location, calculate the step pitch number between stepping motor current location and optimum position, and according to this step pitch number again Driving Stepping Motor rotate to this position.Can realize so the accurate location in receiving coil and transmitting coil optimum Match orientation.
Claims (5)
1. contactless biography energy coil automatic seeking, to device, is characterized in that: comprise receiving coil, rectification filtering module, AD modular converter, microprocessor module, driver module and stepping motor;
Described rectification filtering module carries out rectifying and wave-filtering to the induced voltage of receiving coil, produces direct voltage;
The direct voltage of described AD modular converter after to rectifying and wave-filtering carries out AD conversion, produces binary voltage signal;
Described microprocessor module is processed and judges the data of AD conversion input, determines that the corresponding control signal of best orientation that receiving coil mates with transmitting coil, as output signal, sends to driver module, locates optimum orientation;
The control signal of microprocessor module is isolated amplification by described driver module, Driving Stepping Motor rotation;
Described stepping motor drives receiving coil, adjusts the relative position of receiving coil and transmitting coil.
2. contactless biography energy coil automatic seeking according to claim 1, to device, is characterized in that: described receiving coil and transmitting coil are realized the transmission of electric energy by resonance coupling principle.
3. contactless biography energy coil automatic seeking according to claim 1, to device, is characterized in that: described AD modular converter sampling TLC1549 chip.
4. contactless biography energy coil automatic seeking according to claim 1, to device, is characterized in that: described microprocessor module adopts Atmega16 single-chip microcomputer.
5. contactless biography energy coil automatic seeking according to claim 1, to device, is characterized in that: described driver module adopts ULN2003 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310658727.4A CN103825368B (en) | 2013-12-06 | 2013-12-06 | Contactless biography energy coil automatic seeking is to device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310658727.4A CN103825368B (en) | 2013-12-06 | 2013-12-06 | Contactless biography energy coil automatic seeking is to device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103825368A true CN103825368A (en) | 2014-05-28 |
| CN103825368B CN103825368B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310658727.4A Active CN103825368B (en) | 2013-12-06 | 2013-12-06 | Contactless biography energy coil automatic seeking is to device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111251915A (en) * | 2020-03-30 | 2020-06-09 | 哈尔滨理工大学 | High-efficiency wireless power transmission control device for electric automobile |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005006460A (en) * | 2003-06-13 | 2005-01-06 | Seiko Epson Corp | Non-contact power transmission arrangement |
| CN101425703A (en) * | 2007-09-26 | 2009-05-06 | 精工爱普生株式会社 | Power transmission control device, power transmitting device, power receiving device, non-contact power transmission system |
| CN102130511A (en) * | 2010-01-15 | 2011-07-20 | 索尼公司 | Wireless power supplying system |
| CN103109333A (en) * | 2010-04-30 | 2013-05-15 | 鲍尔马特技术有限公司 | System and method for transfering power inductively over an extended region |
-
2013
- 2013-12-06 CN CN201310658727.4A patent/CN103825368B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005006460A (en) * | 2003-06-13 | 2005-01-06 | Seiko Epson Corp | Non-contact power transmission arrangement |
| CN101425703A (en) * | 2007-09-26 | 2009-05-06 | 精工爱普生株式会社 | Power transmission control device, power transmitting device, power receiving device, non-contact power transmission system |
| CN102130511A (en) * | 2010-01-15 | 2011-07-20 | 索尼公司 | Wireless power supplying system |
| CN103109333A (en) * | 2010-04-30 | 2013-05-15 | 鲍尔马特技术有限公司 | System and method for transfering power inductively over an extended region |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111251915A (en) * | 2020-03-30 | 2020-06-09 | 哈尔滨理工大学 | High-efficiency wireless power transmission control device for electric automobile |
| CN111251915B (en) * | 2020-03-30 | 2021-05-07 | 哈尔滨理工大学 | High-efficiency wireless power transmission control device for electric automobile |
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| Publication number | Publication date |
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| CN103825368B (en) | 2016-01-20 |
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